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--- principles:liskov_substitution_principle [2013-06-19 12:34] – [Description Status] christian
+++ principles:liskov_substitution_principle [2016-03-07 22:17] – [Strategies] fix typo (waken -> weaken) 66.228.70.98
@@ Line 30: / Line 30: @@
   * Only strengthen invariants in subclasses; never weaken them
-  * Only waken preconditions when overriding methods
+  * Only weaken preconditions when overriding methods
   * Only strengthen postconditions when overriding methods
   * Use Delegation instead of Inheritance
@@ Line 94: / Line 94: @@
   * Barbara H. Liskov , Jeanette M. Wing: //[[http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.39.1223|A Behavioral Notion of Subtyping]]//
   * Barbara H. Liskov , Jeanette M. Wing: //[[http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.28.2615|Behavioral Subtyping Using Invariants and Constraints]]//
+===== Discussion =====
+Discuss this wiki article and the principle on the corresponding [[talk:principles:Liskov Substitution Principle|talk page]].